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JPL Small-Body Database Browser
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(2019 TH2)
Classification: Apollo [NEO]          SPK-ID: 3878575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4608472449806716 0.00045876  
a 1.859570688054385 0.0016004 au
q 1.00259265961771 9.7769e-06 au
i 7.827334818894691 0.0057789 deg
node 15.94892758667392 0.00015863 deg
peri 22.3372991642424 0.0012272 deg
M 288.0544265283948 0.094284 deg
tp 2458785.605380469037
(2019-Oct-29.10538047)
0.0036187 TDB
period 926.2270596140768
2.54
1.1957
0.003274
d
yr
n .3886735938701663 0.00050176 deg/d
Q 2.716548716491061 0.002338 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      12 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-25 04:54:51  

Additional Information
 Earth MOID = .0230083 au 
 Jupiter MOID = 2.72856 au 
 T_jup = 3.849 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.5   .51665 MPO504272 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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